4936226 Cummins N14 Cylinder Head Equivalent

What does a compressor cylinder head do?

This compressor cylinder head serves as the critical cast component that seals the top of the air brake compressor's cylinder block. It houses the seats for both inlet and discharge valves, ensuring that compressed air is routed correctly through the discharge port while managing heat dissipation during the compression cycle.

Engine and vehicle compatibility

This specific model is designed for compatibility with Cummins N14 engines. It is also suitable for use in various Cummins engine series including ISM, QSM11, ISB6.7, ISC8.3, QSB6.7, ISL, QSC8.3, QSL9, and M11. This ensures that fleet managers and workshop technicians can maintain engine-driven air systems with high-strength components.

Installation and maintenance

When performing maintenance or rebuilding a compressor, it is essential to verify the exact engine series to ensure a perfect fit. This cylinder head is manufactured to precise dimensions to allow for efficient rebuilding of the compressor unit in place, reducing downtime for heavy commercial vehicles.

Selection guidance

Check the compatibility list to ensure this part matches your specific engine configuration before installation.

OE cross-reference

25 03 10 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4936226.